Peptide Database

Peptide NameKappa-bungarotoxin

Function Ontology

Annotation / Sequence feature ▸ Nuclear export signal

Venom / Toxin ▸ General toxin ▸ Toxin

Venom / Toxin ▸ Toxin

Standard StatusStandard

Sequence Length66 amino acids

Chemical FormulaC303H485N91O97S10

DescriptionStandard

        RTCLISPSSTPQTCPNGQDICFLKAQCDKFCSIRGPVIEQGCVATCPQFRSNYRSLLCCTTDNCNH
    

Molecular Weight7275.29 Da

Isoelectric Point (pI)8.12

Net Charge (pH 7.0)1.75

Net Charge (pH 7.4) 1.34

Charge Density (pH 7.0) 0.0265

GRAVY Index-0.23

Hydrophobic Moment 0.48

Boman Index-0.06

Instability Index60.96

Aliphatic Index 59.09

Aromaticity 0.0606

Extinction Coeff. Reduced 1490.00

Extinction Coeff. Oxidized 2115.00

The radar chart summarizes major physicochemical dimensions for quick comparison, while exact numerical values remain listed on the left.

Amino Acid Composition

TPSA 3039.19

LogP -41.34

H-bond Donors 113.0

H-bond Acceptors 110.0

Rotatable Bonds 232.0

Heavy Atoms 501.0

Ring Count 10.0

Amide Bonds 74.0

3D PDB MODEL

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2D CHEMICAL STRUCTURE

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RECORD: Rec_0171539 VERIFIED: YES

Provenance & Taxonomy

OrganismBungarus multicinctus [Animal]

Familysnake three-finger toxin family

Structure & Mods

Configlinear peptide [Linear]

Chiralitycanonical L-amino-acid peptide [L]

Disulfide3-21; 14-42; 27-31; 46-58; 59-64

Bio-Activity Profile

Function

Toxin Venom Snake three-finger toxin family Pathogenesis-associated